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FEEDBACK_URL=https://hgvi836wi8.execute-api.us-east-1.amazonaws.com |
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# Rating | ||
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This Lambda function stores and retrieves page feedback using DynamoDB. It is already deployed in the Material-UI AWS account. Request credentials if you need to update dev for testing, or to deploy a new prod version. | ||
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If you wish to deploy your own instance for testing, follow the steps below. | ||
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## Prerequisites | ||
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Create an AWS profile in ~/.aws/credentials called "claudia" with credentials corresponding to an IAM user with AmazonAPIGatewayAdministrator, AWSLambdaFullAccess and IAMFullAccess policies. | ||
You can do that with `aws configure --profile claudia`. | ||
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Create a table in DynamoDB, with a `string` partition key called `id`, and a sort key called `page`. You can do that from the DynamoDB web console, or using the AWS CLI command line. Here is an example command that will create the `feedback-dev` table with the minimal provisioned throughput: | ||
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```bash | ||
aws dynamodb create-table --profile claudia --region us-east-1 \ | ||
--attribute-definitions AttributeName=id,AttributeType=S AttributeName=page,AttributeType=S \ | ||
--key-schema AttributeName=id,KeyType=HASH AttributeName=page,KeyType=RANGE \ | ||
--provisioned-throughput ReadCapacityUnits=5,WriteCapacityUnits=1 \ | ||
--query TableDescription.TableArn --output text \ | ||
--table-name feedback-dev | ||
``` | ||
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You will need to repeat this command to create a table for production, for example `feedback-prod`. | ||
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For on-demand throughput, replace: | ||
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``` | ||
--provisioned-throughput ReadCapacityUnits=5,WriteCapacityUnits=1 \ | ||
``` | ||
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with: | ||
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``` | ||
--billing-mode PAY_PER_REQUEST \ | ||
``` | ||
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The project includes an IAM access policy that will grant the lambda function access to the tables. You can edit the [policies/access-dynamodb.json](policies/access-dynamodb.json) file to change the access permissions. These are only applied on create (`yarn setup`). Alternatively, to avoid inadvetantly pushing changes, use the `--policies` flag with `yarn setup` to refer to a copy of this directory, and exclude it in your `~/.gitignore`. | ||
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> ⚠️ You will need to update the "Resource" key in this file with the value returned after creating each table. | ||
## Get started | ||
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> ⚠️ When setting up for the first time, you will need to delete the included `claudia.json` file that is specific to the MUI installation. Alternatively, if making changes to the function that you intend to submit back, then to avoid inadvetantly commiting changes to `claudia.json`, use `--config` with each command to create and use a local config file, and exclude this file in your `~/.gitignore`. | ||
To set this up, first [set up the credentials](https://claudiajs.com/tutorials/installing.html#configuring-access-credentials), then: | ||
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1. run `yarn install` (from the root workspace) to install the dependencies | ||
1. Navigate into the directory of this README, e.g. `cd docs/packages/feedback` | ||
1. run `yarn setup` to create the lambda function on AWS under the default name. | ||
This will also ask you for table names for development and production. | ||
If you used the above AWS command, they will be `feedback-dev` and `feedback-dev` respectively. | ||
1. Test the API using the [example requests below](#testing) | ||
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For subsequent updates, use the `npm run deploy` command. | ||
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## Stage variables | ||
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The table name, stored in the API Gateway stage variables, is passed to each request processor in the `request.env` key-value map. Check out [index.js](index.js) to see it in use. | ||
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The value is set during the first deployment, using `--configure-table-dev` & `--configure-table-prod`. This works using a post-deploy step (check out the last line of [index.js](index.js) for the actual setup, and [Configuring stage variables using post-deployment steps](https://github.com/claudiajs/claudia-api-builder/blob/master/docs/api.md#configuring-stage-variables-using-post-deployment-steps) for more information about the API). | ||
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## The API | ||
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- `POST` to `/feedback` - stores a new rating data object | ||
- `GET` from `/feedback/{id}` - returns all ratings with id `{id}` | ||
- `GET` from `/rating/average` - returns average ratings for all pages | ||
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## Testing | ||
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Claudia will print the API URL after it is created (typically something in the format `https://[API ID].execute-api.[REGION].amazonaws.com/<version>`). Replace `<API-URL>` with that value in the examples below: | ||
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You can test the API by using `curl` (or using a fancier client like [Postman](https://www.getpostman.com/)). Below are some examples with `curl`. | ||
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### Create new feedback | ||
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This will create a feedback entry from the data stored in [example.json](example.json). Change the data in the file to create ratings: | ||
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```bash | ||
curl -H "Content-Type: application/json" -X POST --data @example.json <API-URL>/feedback | ||
``` | ||
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Add the UUID returned to `example.json` with key `id` to store more feedback under the same id. | ||
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### Retrieve feedback | ||
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This will get the feedback stored for ID d6890562-3606-4c14-a765-da81919057d1 | ||
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```bash | ||
curl <API-URL>/feedback/d6890562-3606-4c14-a765-da81919057d1 | ||
``` | ||
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### Retrieve average ratings | ||
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This will get the average feedback stored for all pages | ||
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```bash | ||
curl <API-URL>/feedback/average | ||
``` | ||
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### Testing with the documentation | ||
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Create the file `docs/.env.local` containing an environment variable `FEEDBACK_URL` with your API URL without the version. For example: | ||
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```sh | ||
FEEDBACK_URL=https://abcd123ef4.execute-api.us-east-1.amazonaws.com | ||
``` | ||
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If already running, restart the local docs site. Feedback should now be posted to your deployment. |
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{ | ||
"lambda": { | ||
"role": "feedback-executor", | ||
"name": "feedback", | ||
"region": "us-east-1" | ||
}, | ||
"api": { | ||
"id": "hgvi836wi8", | ||
"module": "index" | ||
} | ||
} |
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{ | ||
"page": "/components/cards", | ||
"version": "5.0.0", | ||
"rating": 5, | ||
"comment": "Yay!", | ||
"language": "en" | ||
} |
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